clean: clarify script intent

fix_missing_dates.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+current=$(date "+%Y")
+for ((year=1900; year<=current; year=year+1))
+do
+  grep "/$year/" README.md | grep -v "($year)" | grep -v " - (" | while read -r line
+  do
+    echo "$line"
+    replace=$(echo "$line" | sed "s/) - /) - ($year) /g" | sed -e "s#\*#\\\*#g" | sed -e "s#\[#\\\[#g" | sed -e "s#\]#\\\]#g" | sed -e "s#/#\\\/#g")
+    orig=$(echo "$line" | sed -e "s#/#\\\/#g" | sed -e "s#\*#\\\*#g" |  sed -e "s#\[#\\\[#g" | sed -e "s#\]#\\\]#g" )
+    sed -i.bak "s;$orig;$replace;g" README.md
+  done
+done